US Bridges

US 75 NB on Ramp over US 75 Off Ramp Q

Good

Dallas County, Texas · 1.00 MI N of Lp 12 · Structure no. 180570004707374

Built
1998
27 years old
Condition
Good
inspected February 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
424 ft
4 main spans
Daily traffic
70,000
2016 count
Owner
State
State Highway Agency

About this bridge

US 75 NB on Ramp over US 75 Off Ramp Q is a prestressed concrete continuous box beam or girders - single or spread carrying US 75 NB on Ramp over US 75 Off Ramp Q in Dallas County, Texas. It was built in 1998, so it is 27 years old, younger than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 70,000 vehicles a day, projected to reach 196,000 by 2038. The structure is 424 ft (129.2 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesUS 75 NB on Ramp
CrossesUS 75 Off Ramp Q
Location1.00 MI N of Lp 12
RouteU.S. Route 75
CountyDallas County
StateTexas
Coordinates32.8788, -96.76989
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length424 ft (129.2 m)
Longest span116 ft (35.4 m)
Deck width24 ft (7.3 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70,000 (2016)
Projected traffic196,000 by 2038
Trucks0%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$23,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 75 NB on Ramp over US 75 Off Ramp Q built?

It was built in 1998, making it 27 years old in 2025.

What condition is US 75 NB on Ramp over US 75 Off Ramp Q in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2024.

How much traffic does US 75 NB on Ramp over US 75 Off Ramp Q carry?

About 70,000 vehicles per day (2016 count).

How long is US 75 NB on Ramp over US 75 Off Ramp Q?

The structure is 424 ft (129.2 m) long with a longest span of 116 ft (35.4 m) and a deck 24 ft wide.

Who owns US 75 NB on Ramp over US 75 Off Ramp Q?

It is owned by the State Highway Agency.